Friday Field PhotoScienceFriday Field Photo #141: Ainsa and Peña MontañesaScienceFriday Field Photo #140: Cross-Bedded Pebbly SandstoneScienceFriday Field Photo #139: Avalanche Caught in the ActScienceFriday Field Photo #138: Foggy Spanish OrchardScienceFriday Field Photo #137: Dipping Strata in a Dry WashScienceFriday Field Photo #136: Ripple Cross-Laminated SandstoneScienceFriday Field Photo #135: Mud and mud cracksScienceFriday Field Photo #134: A Flower in PatagoniaScienceFriday Field Photo #132: Microfaulted sedimentary rockScienceFriday Field Photo #130: Faulted turbidite strata on the California coastScienceFriday Field Photo #129: The Na Pali CoastScienceFriday Field Photo #128: Giant wall of plane- and ripple-laminated sandstoneScienceFriday Field Photo #127: Cross-stratified sandstone in UtahScienceFriday Field Photo #125: Road closed ... by lava!ScienceFriday Field Photo #124: Unconformity at Point ReyesScienceFriday Field Foto #72: Meandering river in PatagoniaScienceFriday Field Foto #71: Sheep like geology tooScienceFriday Field Foto #70: Permian carbonate slope systemScienceFriday Field Foto #69: Patterns in a Tierra del Fuego beachScienceFriday Field Foto #68: Table Mountain, Cape TownScienceFriday Field Foto #67: Alluvial fans in Death ValleyScienceFriday Field Foto #66: Puente del Inca (near Mendoza, Argentina)ScienceFriday Field Foto #65: Geopuzzle!ScienceFriday Field Foto #64: Nice 'Z' fold in Patagonian outcropMore Stories